| 近断层地震加速度设计反应谱 |
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| 引用本文： | 卢明奇.近断层地震加速度设计反应谱[J].三峡大学学报(自然科学版),2007,29(1):33-37. |
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| 作者姓名： | 卢明奇 |
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| 作者单位： | 北京交通大学,土木建筑工程学院,北京,100044 |
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| 基金项目： | 国家自然科学基金;北京交通大学校科研和教改项目 |
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| 摘 要： | 研究了近断层地震的加速度设计反应谱,选择了30次地震,132组近断层地震记录作为统计样本,根据得到的实际地震波的平均弹性加速度反应谱,给出了近断层地震设计弹性加速度反应谱表达式,并在此基础上,给出了近断层地震设计非弹性加速度反应谱计算公式.研究结果表明:提出的近断层地震设计弹性加速度反应谱与实际地震波平均弹性加速度反应谱较为接近,所建议的近断层地震加速度设计反应谱形式较为简单.
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| 关 键 词： | 近断层地震 加速度反应谱 抗震设计 强度折减系数 |
| 文章编号： | 1672-948X(2007)01-0033-04 |
| 修稿时间： | 2007年1月4日 |
Acceleration Design Response Spectra of Near-Fault Ground Motion |
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| Lu Mingqi.Acceleration Design Response Spectra of Near-Fault Ground Motion[J].Journal of China Three Gorges University(Natural Sciences),2007,29(1):33-37. |
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| Authors: | Lu Mingqi |
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| Abstract: | Acceleration design response spectra of near-fault ground motions are studied;and 30 earthquakes and 132 near-fault ground motion records are selected as statistical samples.From the statistical average elastic acceleration response spectra,an elastic acceleration response spectra formula of near-fault ground motions is proposed;and based on it the inelastic acceleration response spectra formula is suggested too.It is shown that the elastic acceleration response spectra of near-fault ground motions proposed is close to the average elastic acceleration response spectra of actual earthquake waves;and the acceleration design response spectra of near-fault ground motions suggested are simple. |
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| Keywords: | near-fault ground motion acceleration response spectra seismic design strength reduction factor |
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